Open Letter to Pasadena Residents on Caltrans 710 Project in Pasadena

Published : Wednesday, November 15, 2017 | 2:04 PM

Dear Pasadena Residents,

I know that many of you living in the areas surrounding Caltrans’ plant are dealing with noise and dust caused by Caltrans’ concrete crushing. My office is working diligently with the City of Pasadena to address the noise and dust pollution issues.

While the 710 worksite is on Caltrans property, they are still required to adhere to all applicable federal, state and local regulations. I have made a concerted effort to ensure compliance with these regulations as they are a state agency subject to legislative oversight.

Within a few days after receiving a complaint from a constituent in May of this year, we contacted Caltrans about the noise and dust issues and requested prompt corrective action. Caltrans responded by increasing watering throughout the worksite to address the dust problem.

We also requested Caltrans to take several noise readings at different sites on various days, nights, and hours of the week. While the noise readings did not exceed the applicable standards, Caltrans agreed to make several significant changes to their operations including:

• Increased watering throughout the worksite operations to minimize dust problems.
• Eliminated late night crushing and delayed start time to 7:00 am.
• Installed a barrier by the batch plant.
• Heavy equipment now turned off instead of idling when not in use.

Additionally we worked directly with the South Coast Air Quality Management District (SCAQMD) to address the dust issue because of its impact on air pollution. They promptly conducted an inspection after we contacted them. The SCAQMD inspection found violations, which were corrected and that further increased watering of the rubble pile. The SCAQMD said that subsequent inspections would be conducted to monitor dust emissions.

I will continue to monitor this project and work to address the issues. If you have any questions or comments please contact my office at (626) 351 – 1917.

Click here to see the full summary of actions.




Chris R. Holden
Assemblymember, 41st District.

Assemblymember Chris Holden represents the 41st Assembly district that stretches from Pasadena in the West to Upland in the East and includes the communities of Altadena, Claremont, La Verne, Monrovia, Rancho Cucamonga, San Dimas, Sierra Madre, and South Pasadena. He currently chairs the Assembly Utilities and Energy Committee and the California Legislative Black Caucus.


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